Fiat
Fiat 55-46
The Fiat 55-46 is a utility tractor produced from 1984 to 1989 as part of the 46 Series. It features a Fiat 2.7L 3-cylinder liquid-cooled diesel engine producing 54.2 hp (40.4 kW). The tractor offers two transmission options: an 8-speed partially synchronized and a 12-speed creeper. It is available in two- or four-wheel drive configurations with power steering and mechanical band brakes. The tractor includes a four-post ROPS with an optional cab and heater. Hydraulics are open center type with a pressure of 2756 psi (190.0 bar) and pump flow of 7 gpm (26.5 lpm). The rear hitch is category II/I with a lift capacity of up to 4233 lbs (1920 kg) at the ends. The rear PTO is independent, running at 540 RPM at 2160 engine RPM. Dimensions vary slightly between 2WD and 4WD models, with wheelbases around 80 inches and weights ranging from 4431 to 6526 lbs depending on configuration. Multiple tire options are available for both 2WD and 4WD models.
Power54 hp
Founded1984 - 1989
Model55-46
Technical Specifications
Detailed specifications and technical data for Fiat 55-46
Power
| Engine power | 54.2 hp (40.4 kW) |
|---|
Tires
| 2WD Optional tires (ag) | Front: 6.00-16. Rear: 13.6/12-28 |
|---|---|
| 2WD Standard tires (ag) | Front: 6.00-16. Rear: 14.9/13-28 |
| 4WD Optional tires (ag) | Front: 8.00-20. Rear: 13.6/12-28 |
| 4WD Standard tires (ag) | Front: 11.2/10-20. Rear: 14.9/13-28 |
| 2WD Optional tires (ag) 2 | Front: 6.00-16. Rear: 12.4/11-32 |
| 2WD Optional tires (ag) 3 | Front: 7.50-16. Rear: 12.4/11-32 |
| 4WD Optional tires (ag) 2 | Front: 8.3/8-24. Rear: 12.4/11-32 |
| 4WD Optional tires (ag) 3 | Front: 9.5/9-20. Rear: 13.6/12-28 |
| 4WD Optional tires (ag) 4 | Front: 11.2/10-20. Rear: 14.9/13-28 |
| 4WD Optional tires (ag) 5 | Front: 11.2/10-20. Rear: 12.4/11-32 |
Engine
| Type | diesel |
|---|---|
| Model | Fiat 8035.06 |
| Power | 54.2 hp (40.4 kW) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 3-cylinder |
| Rated RPM | 2500 |
| Bore/Stroke | 3.937x4.528 inches (100 x 115 mm) |
| Compression | 17:1 |
| Displacement | 165 ci (2.7 L) |
| Firing order | 1-2-3 |
| Starter volts | 12 |
Height
| ROPS | 90.2 inches (229 cm) |
|---|---|
| Exhaust | 92.7 inches (235 cm) |
| 2WD Hood | 56.1 inches (142 cm) |
| 4WD Hood | 55.9 inches (141 cm) |
Weight
| 2WD | 4431 lbs (2009 kg) |
|---|---|
| 4WD | 4894 lbs (2219 kg) |
| 2WD Ballasted | 6063 lbs (2750 kg) |
| 4WD Ballasted | 6526 lbs (2960 kg) |
Variants
| 55-46DT | 4WD |
|---|
Dimensions
| 2WD Length | 126 inches (320 cm) |
|---|---|
| 4WD Length | 128.9 inches (327 cm) |
| 2WD Wheelbase | 80.8 inches (205 cm) |
| 4WD Wheelbase | 79.2 inches (201 cm) |
| 2WD Ground clearance | 19.5 inches (49 cm) |
| 4WD Ground clearance | 12.6 inches (32 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 33 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 0 to 2 |
| Pressure | 2756 psi (190.0 bar) |
| Pump flow | 7 gpm (26.5 lpm) |
Mechanical
| ROPS | Four-post ROPS. Cab available with heater. |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Mechanical band brakes |
| Steering | Power steering |
Production
| Type | Utility tractor |
|---|---|
| Series | 46 Series |
| Years made | 1984 - 1989 |
| Manufacturer | Fiat |
Transmission
| Notes | Four gears with high and low ranges provide eight forward speeds. Gears 3/4 are synchronized in both ranges. |
|---|---|
| Clutch | 279.4mm dry disc |
| Options | 8-speed partially synchronized, 12-speed creeper |
| Type (creeper) | creeper |
| Gears (creeper) | 12 forward and 3 reverse |
| Type (standard) | partially synchronized |
| Gears (standard) | 8 forward and 2 reverse |
Tractor hitch
| Rear Type | II/I |
|---|---|
| Rear lift (at ends) | 4233 lbs (1920 kg) |
| Rear lift (at 24"/610mm) | 3483 lbs (1579 kg) |
Serial Numbers
| Location | Serial number on the left side of the 55-46, behind the rear axle. |
|---|
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Engine RPM | 540@2160 |
| Rear PTO Type | 540 (1.375) |